2
Copyright © 2010
by
The Goodheart-Willcox Company, Inc.
Previous editions copyright 2004, 1998, 1995, 1989
All rights reserved. No part of this work may be reproduced, stored, or
transmitted in any form or by any electronic or mechanical means,
including information storage and retrieval systems, without the prior
written permission of The Goodheart-Willcox Company, Inc.
Manufactured in the United States of America.
Library of Congress Catalog Card Number 2007035941
ISBN 978-1-59070-910-8
1 2 3 4 5 6 7 8 9 – 10 – 14 13 12 11 10 09
The Goodheart-Willcox Company, Inc. Brand Disclaimer: Brand names, company names, and
illustrations for products and services included in this text are provided for educational purposes only
and do not represent or imply endorsement or recommendation by the author or the publisher.
The Goodheart-Willcox Company, Inc. Safety Notice: The reader is expressly advised to carefully read,
understand, and apply all safety precautions and warnings described in this book or that might also be
indicated in undertaking the activities and exercises described herein to minimize risk of personal injury
or injury to others. Common sense and good judgment should also be exercised and applied to help
avoid all potential hazards. The reader should always refer to the appropriate manufacturer’s technical
information, directions, and recommendations; then proceed with care to follow specifi c equipment
operating instructions. The reader should understand these notices and cautions are not exhaustive.
The publisher makes no warranty or representation whatsoever, either expressed or implied, including
but not limited to equipment, procedures, and applications described or referred to herein, their
quality, performance, merchantability, or fi tness for a particular purpose. The publisher assumes no
responsibility for any changes, errors, or omissions in this book. The publisher specifi cally disclaims
any liability whatsoever, including any direct, indirect, incidental, consequential, special, or exemplary
damages resulting, in whole or in part, from the reader’s use or reliance upon the information,
instructions, procedures, warnings, cautions, applications, or other matter contained in this book. The
publisher assumes no responsibility for the activities of the reader.
Library of Congress Cataloging-in-Publication Data
Duffy, James E.
Auto electricity and electronics / by James E. Duffy. – 5th ed.
p. cm.
Includes Index
ISBN 978-1-59070-910-8
1. Automobiles—Electric Equipment
2. Automobiles—Electronic Equipment
I. Title
TL272.D8297 2009
629.25’4--dc22 2007035941